Folding Frame and Wagon Using the Same

Abstract

A folding frame comprises a first stand assembly, a second stand assembly and a bottom frame assembly, wherein the first stand assembly comprises two groups of first telescopic assemblies and a group of first connecting assemblies; any one of the two groups of first telescopic assemblies comprises a first connecting rod and a first telescopic rod, and the first connecting rod and the first telescopic rod are distributed in a cross shape; the first connecting assembly consists of two first connecting rockers; the second stand assembly comprises two groups of second telescopic assemblies; any one of the two groups of second telescopic assemblies comprises a second connecting rod and a second telescopic rod, and the second connecting rod and the second telescopic rod are distributed in a cross shape.

What is claimed is: 
     
         1 . A folding frame, wherein said folding frame comprises a first stand assembly, a second stand assembly and a bottom frame assembly; and
 wherein, said first stand assembly is arranged along a length direction of said folding frame, and comprises two groups of first telescopic assemblies and a group of first connecting assembly, wherein any one of said two groups of first telescopic assemblies comprises a first connecting rod and a first telescopic rod, and said first connecting rod and said first telescopic rod are distributed in a cross shape; and said first connecting assembly consists of two first connecting rockers; and   wherein, said second stand assembly is arranged along a width direction of said folding frame, and comprises two groups of second telescopic assemblies, wherein any one of said two groups of second telescopic assemblies comprises a second connecting rod and a second telescopic rod, and said second connecting rod and said second telescopic rod are distributed in a cross shape, and   wherein, said bottom frame assembly comprises two groups of third connecting assemblies, each group of third connecting assemblies consists of at least four third connecting rods and a third connector, and at least four of said third connecting rods are distributed in an X shape as a whole; and   wherein, a first connector and a second connector are respectively arranged at joints of said first stand assembly and said second stand assembly; and said bottom frame assembly is detachably connected to said first stand assembly and said second stand assembly through said second connector; and said bottom frame assembly is detachably connected with said first stand assembly through at least two pull rods, and a bottom ends of said pull rods are respectively hinged with one of said third connecting rods in said two groups of third connecting assemblies; and a top ends of said pull rods are respectively hinged with said first connecting assembly.   
     
     
         2 . The folding frame according to  claim 1 , wherein said first stand assembly and said second stand assembly are both provided in two groups, said first stand assembly and said second stand assembly are alternately arranged, and said folding frame has a rectangular structure in an unfolded state. 
     
     
         3 . The folding frame according to  claim 2 , wherein said first telescopic rod, said first connecting rod and said first connecting rockers are all provided with connecting circular holes, and said first connecting assembly is hinged with said two groups of first telescopic assemblies through said connecting circular holes, and said two first connecting rockers are distributed in a cross shape. 
     
     
         4 . The folding frame according to  claim 3 , wherein said second connecting rod and said second telescopic rod are both provided with said connecting circular holes and said two groups of second telescopic assemblies are rotatably connected through said connecting circular holes with two hinge points and form a detachable connection through threads. 
     
     
         5 . The folding frame according to  claim 4 , wherein said first telescopic rod and said second telescopic rod are both composed of a sliding rod and a hollow rod, and each sliding rod is provided with a sliding groove, wherein said sliding groove extends along a length direction of said sliding rod and penetrates through said sliding rod and said sliding groove is equal in size to said connecting circular hole. 
     
     
         6 . The folding frame according to  claim 5 , wherein one end of said sliding rod has an arc-shaped structure and said arc-shaped structure is an end far away from said sliding groove; and a protective sleeve is sleeved on said arc-shaped structure and said connecting circular holes are arranged on said protective sleeve. 
     
     
         7 . The folding frame according to  claim 6 , wherein a channel extending along a length direction of said hollow rod is arranged inside said hollow rod, said sliding rod movably passes though said channel, and a positioning sleeve is nested at one end of said channel. 
     
     
         8 . The folding frame according to  claim 7 , wherein said positioning sleeve is connected with said sliding rod and said sliding rod slidably passes though the positioning sleeve and said connecting circular holes are symmetrically arranged on said positioning sleeve and run through said positioning sleeve. 
     
     
         9 . The folding frame according to  claim 8 , wherein said third connector has four connection interfaces, and said third connecting rods is inserted into said connection interfaces to form connection and fixation with said third connector through threads. 
     
     
         10 . The folding frame according to  claim 9 , wherein a number of said first connector is four, which are arranged above said folding frame, and said first telescopic assemblies and said second telescopic assemblies are fixed on said first connector through a threaded connection and hinged with said first connector. 
     
     
         11 . The folding frame according to  claim 10 , wherein said first connector has a first cavity with a hollow structure, and a column is inserted into said first cavity, and said columns run through said first cavity and are connected to said second connector. 
     
     
         12 . The folding frame according to  claim 11 , wherein a number of said second connectors is four, which are arranged below said folding frame, and said second connector have a second cavity with a hollow structure, and said column are inserted into said second cavity. 
     
     
         13 . The folding frame according to  claim 12 , wherein said second connector is connects and fixes on each assembly of said folding frame, wherein said sliding rod is hinged on said second connector through threads and said bottom frame assembly is connected and fixed on said second connector through said third connecting rod. 
     
     
         14 . The folding frame according to  claim 13 , wherein said first connecting rocker and said third connecting rod are detachably connected through said pull rods, which is an inverted T-shaped non-telescopic structure and made of a rigid material, and a bottom of said pull rods has two bending parts. 
     
     
         15 . A folding wagon, wherein said folding wagon comprises a folding frame and a box body; and
 said folding frame comprises a first stand assembly, a second stand assembly and a bottom frame assembly; and said first stand assembly is arranged along a length direction of said folding frame, and comprises two groups of first telescopic assemblies and a group of first connecting assembly, wherein any one of said two groups of first telescopic assemblies comprises a first connecting rod and a first telescopic rod, and said first connecting rod and said first telescopic rod are distributed in a cross shape; and said first connecting assembly consists of two first connecting rockers; and wherein, said second stand assembly is arranged along a width direction of said folding frame, and comprises two groups of second telescopic assemblies, wherein any one of said two groups of second telescopic assemblies comprises a second connecting rod and a second telescopic rod, and said second connecting rod and said second telescopic rod are distributed in a cross shape; and wherein, said bottom frame assembly comprises two groups of third connecting assemblies, each group of third connecting assemblies consists of at least four third connecting rods and a third connector, and at least four of said third connecting rods are distributed in an X shape as a whole; and wherein, a first connector and a second connector are respectively arranged at joints of said first stand assembly and said second stand assembly; and said bottom frame assembly is detachably connected to said first stand assembly and said second stand assembly through said second connector; and said bottom frame assembly is detachably connected with said first stand assembly through at least two pull rods, and a bottom ends of said pull rods are respectively hinged with one of said third connecting rods in said two groups of third connecting assemblies; and a top ends of said pull rods are respectively hinged with said first connecting assembly; and   and said box body has a rectangular structure and is detachably fixed inside said folding frame.   
     
     
         16 . The folding wagon according to  claim 15 , wherein a number of said second connector is four, and four said second connector are all inserted with columns, and pulley structures are connected and fixed below said columns and said pulley structures are located below said folding frame. 
     
     
         17 . The folding wagon according to  claim 16 , wherein two said second connectors located in a width direction of said folding frame are provided with connecting blocks, and a cross bar is fixed between said connecting blocks, and said cross bar is fixed on said second connectors through a threaded connection. 
     
     
         18 . The folding wagon according to  claim 17 , wherein said cross bar is fixed with a tow handle through a threaded connection, and said tow handle is of a telescopic structure, and can move in a vertical direction through a spring buckle. 
     
     
         19 . A method for carrying goods, comprising providing a folding wagon, wherein said folding wagon comprises a folding frame and a box body; and said folding frame comprises a first stand assembly, a second stand assembly and a bottom frame assembly; and said first stand assembly is arranged along a length direction of said folding frame, and comprises two groups of first telescopic assemblies and a group of first connecting assemblies, wherein any one of said two groups of first telescopic assemblies comprises a first connecting rod and a first telescopic rod, and said first connecting rod and said first telescopic rod are distributed in a cross shape; and said first connecting assembly consists of two first connecting rockers; and wherein, said second stand assembly is arranged along a width direction of said folding frame, and comprises two groups of second telescopic assemblies, wherein any one of said two groups of second telescopic assemblies comprises a second connecting rod and a second telescopic rod, and said second connecting rod and said second telescopic rod are distributed in a cross shape; and wherein, said bottom frame assembly comprises two groups of third connecting assemblies, each group of third connecting assemblies consists of at least four third connecting rods and a third connector, and at least four of said third connecting rods are distributed in an X shape as a whole; and wherein, a first connector and a second connector are respectively arranged at joints of said first stand assembly and said second stand assembly; and said bottom frame assembly is detachably connected to said first stand assembly and said second stand assembly through said second connector; and said bottom frame assembly is detachably connected with said first stand assembly through at least two pull rods, and a bottom ends of said pull rods are respectively hinged with one of said third connecting rods in said two groups of third connecting assemblies; and a top ends of said pull rods are respectively hinged with said first connecting assembly; and said box body has a rectangular structure and is detachably fixed inside said folding frame; and
 the method comprises:   when in use, unfolding said first stand assembly and said second stand assembly; and   fixing said bottom frame assembly under said first stand assembly and said second stand assembly; and   placing said box body above said bottom frame assembly; and   when in storage, taking down said box body; and   gathering said folding frame for storage.   
     
     
         20 . The method according to  claim 19 , wherein before storing said folding wagon, it is necessary to disassemble said bottom frame assembly, gather said first stand assembly and said second stand assembly, and store them separately from said bottom frame assembly.